Roto Prime Series – self priming centrifugal fuel pump

Roto Prime Series - self priming centrifugal fuel pump

Roto Prime Series – self priming centrifugal fuel pump

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The Gorman-Rupp Roto-Prime range of self priming centrifugal pumps is specifically designed for pumping petroleum products, petrochemicals and solvents. The Roto-Prime fuel pump incorporates a variable capacity vane [priming] pump which quickly and automatically evacuates air and vapour from suction lines, making them ideal for loading, off-loading transports and stripping hoses.

Advantages include:

  • Ability to mount high and dry above the liquid source
  • Eliminates vapour lock or air lock in suction lines
  • Easy access for monitoring or service
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Videos

Gorman-Rupp Roto-Prime Priming-Assisted Petroleum Pump

Overview of the Gorman-Rupp RotoPrime product line including detailed animations illustrating the principals of this pump’s design.

  • Incorporates an integral variable capacity vane pump that quickly and automatically evacuates air and vapor
  • Ideal for loading or offloading transports as well as stripping hoses when needed

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Our expert team is standing by for any questions you have about how best to configure your pump system.

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Data Sheets

Download the specifications to find the perfect pump for your project:

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Roto Prime Series Fuel Pump Performance

Flows: 5 l/s – 75 l/s

Heads: 5m – 80m

Solids: None

Size: 2″, 3″, 4″+ 5″

Priming: In-built priming system. Re-primer. Remove vapour

Application: Fuel only

Roto Fuel Pump Performance RS Series
Roto Fuel Pump Performance RD Series

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Special Features and Pump Benefits

Automatically Removes Air and Vapour

Whenever air or vapour is present at the start of the pumping operation – or when there is a loss of suction because of air or vapour during pumping – the priming pump automatically moves air and vapour from the suction line to the discharge line. Once the flowing liquid from the centrifugal portion of the fuel pump builds up sufficient pressure in the discharge system, the priming pump stops.

Here is a more in-depth look at how the priming system works:

Full priming position fuel pump

Full Priming Position

When air or vapour is in the suction line, the spring is able to hold the priming pump in full air pumping position.

Partial priming position fuel pump

Partial Priming

As the pump evacuates air and vapour from the lines, liquid pressure builds up on the underside of the sliding priming pump housing, moving it toward neutral.

Neutral priming position fuel pump

Neutral

When air and vapour are removed, liquid pressure equalises spring pressure and the priming pump automatically slides into neutral…..where it remains until air and vapour appear again in the system.

Roto-Prime pumps are actually two pumps in one. The small powerful vane-type pump within the main centrifugal housing can prime an absolutely dry 100mm line with zero back pressure in approximately 6 seconds per metre without initial manual priming.

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Gorman Rupp Pumps LogoHydro Innovations is proud to be the sole distributor of Gorman-Rupp pumps in Australia.

Gorman-Rupp is one of the world’s leading manufacturers of self-priming sewage pumps and wastewater pumping equipment, and has been for more than 75 years. They offer a diverse range of high performance, high-quality, reliable pumps and pumping systems required for lasting service in wastewater pumps, sewage pumps, industrial waste, petroleum, fire and OEM markets. Learn more about Gorman-Rupp and our other partners »

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